Fuel Tanks


Sullivan is the world’s leader in the number of the shapes, sizes and styles of its fuel tanks. From the smallest 1 ounce (30 ml) tank to the extra large 32 ounce (960 ml) tank, there is a Sullivan tank to fit almost any model. All tank kits include the hardware needed for glow fuel operation, including twist-tie clamps and both brass and nylon tubing. Sullivan molds fuel tanks from two materials:

Standard Tanks are molded from a rigid high density polyethylene blend. With the S484 or S489 Gasoline Conversion Kit, they may be used with gasoline or diesel fuel.

Flextanks are molded from a special flexible, translucent polymer blend making them easier to fit into tight places and are very durable. They can be reshaped with a heat gun if desired. Flextanks are for glow fuel only.

There is a wide range of fuel system components that match our fuel tanks on the Fuel System Components page. These include standard, gasoline and large stopper assemblies, tubing, filler valves, filters and other system products.

Click on a tank type or description below for sizes and detailed dimensional information. See below for basic assembly guidelines.


Slant Type
10 Sizes
1 oz to 24 oz
Cylinder Type
3 Sizes
4 oz to 16 oz
Slant Type
Flextanks
10 Sizes
1 oz to 16 oz
Round Type
7 Sizes
1 oz to 16 oz
Oval Type
2 Sizes
2 oz and 8 oz
RST Type
Flextanks
5 Sizes
4 oz to 12 oz
RST Type
5 Sizes
4 oz to 12 oz
Large Type
One Size
32 oz
Bullet Type
4 Sizes
1.5 oz to 6.5 oz
Ducted Fan Type
One size
11 oz
Boat (Vee) Type
One Size
16 oz
Trainer Type
One Size
8 oz
Slant Oval Type
4 Sizes
6 oz to 10 oz
    Rectangular Type
6 Sizes
1.75 oz to 21 oz



Basic Tank Assembly Guidelines:

1. Check the kit plans for any special instructions. Bend tubes as shown so that feed tube (line with Klunk) extends about 3/4" into tank, and Vent tube extends into bubble or top of tank.

2. Cut flexible tubing and insert Klunk, so that when assemble the Klunk can swing freely at the end of the tank. Use stainless steel wire for twist-tie clamps if desired.

3. Slide tubes through small washer, through rubber stopper (white for glow fuel, black for gasoline, diesel or smoke) and through large washer or neck cap. Insert screw through neck cap into small washer. Push into tank neck, get tubes aligned and tighten screw. Trim tubes as desired.

4. Attach tubing from feed tube to carb, attach vent line to muffler pressure or pump pressure nipple, or if a non pressure system through the bottom of the model.

5. Be sure to check for leaks or pinholes -- most fuel feed problems stem from air getting into the lines. See the engine or kit instructions for fuel tank height recommendations.

 



The third line is for a separate fill line. Normally, the tank is filled using the feed line (easily done with a Fuel Filler Valve).

If using multiple tanks, attach the feed line of the first tank to the vent line of the second, and so on until the last tank's feed line goes to the carb. The pressure goes to the first tank. This insures the tanks feed in order.

Hints: A small hopper tank between the main tank and the engine will help even fuel pressure, helpful for racing or pattern maneuvers. A small hopper tank before the main tank helps keep water out of the main tank in gas boats in the event of a flipover.

Inexpensive Fuel Line Barbs: Cut a 1/8" or 1/4" of the next available size of telescoping brass tube available. Solder this piece to the end of the brass fuel tubing. This will prevent to fuel line to slide out of the brass tube.




 

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Sullivan Products
8950 Yellow Brick Rd
Baltimore, MD  21237
Phone: 410-732-3500
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